Our company patented illuminated sign on glass, allowing illuminated signs to be hung on shop windows. These illuminated signs on glass have a non-translucent background that is fastened on the outside of the window. It is made with matt adhesive or other materials. The S is solid acrylic, whilst the N has a translucent adhesive that produces an on and off effect. The container for the LED light source is located inside the shop and has anti-fall safety systems.